﻿using System;
using System.Collections.Generic;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace znsd.Utility
{
   
       public class AutoAdaptWindowsSize                       //窗口缩放对象
        {
            double formOriginalWidth;//窗体高度原始宽度
            double formOriginalHeight;//窗体原始
            double scaleX;//水平缩放比例
            double scaleY;//垂直缩放比例

            Dictionary<string, string> ControlsInfo = new Dictionary<string, string>();//控件中心Left,Top,控件Width,控件Height,控件字体Size

            private Form _form;
            Panel Win_Panel1 = new Panel();

            public AutoAdaptWindowsSize(Form form)
            {
                _form = form;

                //代码生成一个容器panel1，添加至窗体
                _form.Controls.Add(Win_Panel1);
                Win_Panel1.BorderStyle = BorderStyle.None;    //容器border样式
                Win_Panel1.Dock = DockStyle.Fill;                    //设置填充，下面添加控件至容器完成后，容器会填充窗口
                Win_Panel1.BackColor = Color.Transparent;


                //将窗体所有控件添加至panel1
                while (_form.Controls[0].Name.Trim() != "")
                {
                    foreach (Control item in _form.Controls)
                    {

                        if (item.Name.Trim() != "" && item.Name.Trim() != Win_Panel1.Name.Trim())
                        {
                            Win_Panel1.Controls.Add(item);
                        }
                    }
                }

                //保存窗体和控件初始大小
                InitControlsInfo(Win_Panel1);
            }
            /// <summary>
            /// 
            /// </summary>
            /// <param name="ctrlContainer">panel 控件</param>
            public void InitControlsInfo(Control ctrlContainer)
            {
                if (ctrlContainer.Parent == _form)//获取窗体的高度和宽度
                {
                    formOriginalWidth = Convert.ToDouble(ctrlContainer.Width);
                    formOriginalHeight = Convert.ToDouble(ctrlContainer.Height);
                }
                foreach (Control item in ctrlContainer.Controls)
                {
                    if (item.Name.Trim() != "")
                    {
                        //添加信息：键值：控件名，内容：据左边距离，距顶部距离，控件宽度，控件高度，控件字体。
                        ControlsInfo.Add(item.Name, (item.Left + item.Width / 2) + "," + (item.Top + item.Height / 2) + "," + item.Width + "," + item.Height + "," + item.Font.Size);
                    }
                    if ((item as UserControl) == null && item.Controls.Count > 0)
                    {
                        InitControlsInfo(item);
                    }
                }

            }


            public void FormSizeChanged()
            {
                try
                {
                    if (ControlsInfo.Count > 0)//如果字典中有数据，即窗体改变
                    {
                        ControlsZoomScale(Win_Panel1);//表示pannel控件
                        ControlsChange(Win_Panel1);
                    }
                }
                catch { }
            }
            private void ControlsZoomScale(Control ctrlContainer)
            {
                scaleX = (Convert.ToDouble(ctrlContainer.Width) / formOriginalWidth);
                scaleY = (Convert.ToDouble(ctrlContainer.Height) / formOriginalHeight);
            }

            /// <summary>
            /// 改变控件大小
            /// </summary>
            /// <param name="ctrlContainer"></param>
            private void ControlsChange(Control ctrlContainer)
            {
                double[] pos = new double[5];//pos数组保存当前控件中心Left,Top,控件Width,控件Height,控件字体Size
                foreach (Control item in ctrlContainer.Controls)//遍历控件
                {
                    if (item.Name.Trim() != "")//如果控件名不是空，则执行
                    {
                        if ((item as UserControl) == null && item.Controls.Count > 0)//如果不是自定义控件
                        {
                            ControlsChange(item);//循环执行
                        }
                        string[] strs = ControlsInfo[item.Name].Split(',');//从字典中查出的数据，以‘，’分割成字符串组

                        for (int i = 0; i < 5; i++)
                        {
                            pos[i] = Convert.ToDouble(strs[i]);//添加到临时数组
                        }
                        double itemWidth = pos[2] * scaleX;     //计算控件宽度，double类型
                        double itemHeight = pos[3] * scaleY;    //计算控件高度
                        item.Left = Convert.ToInt32(pos[0] * scaleX - itemWidth / 2);//计算控件距离左边距离
                        item.Top = Convert.ToInt32(pos[1] * scaleY - itemHeight / 2);//计算控件距离顶部距离
                        item.Width = Convert.ToInt32(itemWidth);//控件宽度，int类型
                        item.Height = Convert.ToInt32(itemHeight);//控件高度
                        if (float.Parse((pos[4] * Math.Min(scaleX, scaleY)).ToString()) != 0)         //缩放字体大小不能为0
                        { item.Font = new Font(item.Font.Name, float.Parse((pos[4] * Math.Min(scaleX, scaleY)).ToString())); }  //字体

                    }
                }

            }
       
       }
 }


